Finding the Fourth Proportional to 31,839.72, 43,792.74 and 25,538.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,839.72 : 43,792.74 = 25,538.28 : x
2. Step 2: Convert to fraction form
   31,839.72/43,792.74 = 25,538.28/x
3. Step 3: Cross multiply
   31,839.72x = 43,792.74 × 25,538.28
4. Step 4: Simplify right side
   31,839.72x = 1,118,391,256.09
5. Step 5: Solve for x
   x = 1,118,391,256.09/31,839.72
6. Step 6: Final answer
   x = 35,125.66